Improve site build

.github/workflows/build.yml

@@ -1,14 +1,20 @@
 name: Build
 
-on: [push]
+on:
+  pull_request:
+
+permissions:
+  contents: read
 
 jobs:
   build:
     name: Build Content
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
-      - uses: actions/setup-node@v7
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        with:
+          persist-credentials: false
+      - uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020 # v7.0.0
         with:
           node-version: 24.x
           cache: yarn

.github/workflows/deploy.yml

@@ -4,13 +4,24 @@ on:
   push:
     branches: [master]
 
+# Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+# Allow only one concurrent deployment
+concurrency:
+  group: "pages"
+  cancel-in-progress: false
+
 jobs:
-  deploy:
-    name: Deploy to GitHub Pages
+  build:
+    name: Build and upload artifacts to GitHub Pages
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
-      - uses: actions/setup-node@v7
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020 # v7.0.0
         with:
           node-version: 24.x
           cache: yarn
@@ -21,14 +32,21 @@ jobs:
       - name: Build website
         working-directory: documentation
         run: yarn build
+      - name: Upload artifacts
+        id: deployment
+        uses: actions/upload-pages-artifact@fc324d3547104276b827a68afc52ff2a11cc49c9 # v5.0.0
+        with:
+          path: 'documentation/build/'
 
-      # Popular action to deploy to GitHub Pages:
-      # Docs: https://github.com/peaceiris/actions-gh-pages#%EF%B8%8F-docusaurus
+  deploy:
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - name: Setup GitHub Pages
+        uses: actions/configure-pages@45bfe0192ca1faeb007ade9deae92b16b8254a0d # v6.0.0
       - name: Deploy to GitHub Pages
-        uses: peaceiris/actions-gh-pages@v4
-        with:
-          github_token: ${{ secrets.GITHUB_TOKEN }}
-          # Build output to publish to the `gh-pages` branch:
-          publish_dir: ./documentation/build
-          user_name: github-actions[bot]
-          user_email: 41898282+github-actions[bot]@users.noreply.github.com
+        id: deployment
+        uses: actions/deploy-pages@cd2ce8fcbc39b97be8ca5fce6e763baed58fa128 # v5.0.0